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What's the lighting ballast?
2014-02-19 15:51:29
Lighting ballast for HID ballast kits including Metal Halide and High Pressure Sodium Lighting ballasts. Most magnetic HID ballasts are multi-tap, meaning they can be connected to several different voltages.
MH lamps use probe-start, electromagnetic ballasts technology, which employs the use of two operating electrodes and a third, starting probe electrode in the arc tube.
Probe-start ballasts start lamps when it discharges a high open circuit voltage between the starting probe and one of the operating electrodes. Once the lamp is started, a bi-metal switch shuts off the starting probe electrode from the circuit.
Market demand for probe-start ballasts began to wane once industry realized the third electrode and other moving parts such as the switch led to inconsistencies in the lamp’s lumen and color output over their lifetimes.
The development of pulse-start electronic and
magnetic ballast, which create arcs by generating a high-voltage pulse using a circuit called an igniter, also moved industry away from probe-start ballasts.
Here we display wiring diagrams for metal halide (probe start), metal halide (pulse start) and high pressure sodium HID ballast kits. Most magnetic HID ballasts are multi-tap, meaning they can be connected to several different voltages. Here we display wiring diagrams for metal halide (probe start), metal halide (pulse start) and high pressure sodium HID ballast kits.
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